(19)

(11)

EP 2 756 541 A1

(12)

(43) Date of publication: 23.07.2014 Bulletin 2014/30 (21) Application number: 12832427.4 (22) Date of filing: 14.09.2012

(51) International Patent Classification (IPC):  H01M 8/16(2006.01) H01M 8/02(2006.01) H01M 8/04(2006.01) C12M 1/00(2006.01) (86) International application number: PCT/US2012/055562 (87) International publication number: WO 2013/040450 (21.03.2013 Gazette 2013/12)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 15.09.2011 US 201161535006 P 24.02.2012 US 201261603005 P (71) Applicant: The Regents of the University of Colorado, A Body Corporate Denver, CO 80203 (US)	(72) Inventors: REN, Zhiyong Highlands Ranch, Colorado 80130 (US) FORRESTAL, Casey Wheat Ridge, Colorado 80033 (US) XU, Pei Boulder, Colorado 80309 (US) (74) Representative: Moore, Barry et al Hanna Moore & Curley 13 Lower Lad Lane Dublin 2 Dublin 2 (IE)